On Sun, Jan 26, 2014 at 10:32:18PM +0800, Wang Shilong wrote: > I can easily trigger the following warnings when enabling quota > in my virtual machine(running Opensuse), Steps are firstly creating > a subvolume full of fragment extents, and then create many snapshots > (500 in my test case). Good one. You can try to increase the stress and find more of such stalls, any while() loop using qgroups inside is a good candidate. Sometimes the scheduling points are implied by called functions. > Cc: Josef Bacik <jbacik@xxxxxx> > Signed-off-by: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
